Byhalia is located in Marshall county Mississippi with a geographic area of 7.2 square miles. The total population in Byhalia is 1,643 with 42.3% male and 57.7% female. Children under age 5 represent 5.1% of the population, under age 18 equal 29.5% of the population and over age 65 is 19.7% of the population. The median household income is $29,400, per capita income is $18,323. There are a total of 694 housing units with 55.2% owner occupied. Education includes 32.1% of residents that are high school graduates and 7.8% with a bachelor's degree or higher. The average temperature in Byhalia in the summer is 79 degrees, and in the winter 44 degrees.